CVE-2021-31537: Sisinformatik Sis-Rewe Go

Medium severity, CVSS 6.1. EPSS: 7.7% chance of exploitation in the next 30 days.

SIS SIS-REWE Go before 7.7 SP17 allows XSS: rewe/prod/web/index.php (affected parameters are config, version, win, db, pwd, and user) and /rewe/prod/web/rewe_go_check.php (version and all other parameters).

Affected products

• Sisinformatik Sis-Rewe Go: before 7.7 (fixed in 7.7); version 7.7 only

Published 2021-05-11. Last modified 2026-06-17.